Wednesday, March 15, 2017

Encelia farninosa (Brittlebush)

 3/4/17 Shaver's Valley, E. Riverside County, CA

4/3/11 Shaver's Valley

4/3/11 Shaver's Valley

3/15/19 Shaver's Valley

3/10/17 Minthorn Road, Lake Elsinore, Riverside County, CA


COMMON NAME: Brittlebush

SPECIES: Encelia farinosa

FAMILY: Asteraceae (Sunflower Family)

LIFE LIST DATE: 4/3/2011

LOCATION: Shaver's Valley, Eastern Riverside County, CA


Treatment from Jepson eFlora:

Habit: Shrub 3--15 dm, from 1 or several trunks; sap fragrant. 

Stem: much-branched above; young stem tomentose; older stem with smooth bark. 

Leaf: clustered near stem tip; petiole 10--20 mm; blade 2--7 cm, ovate to lanceolate, obtuse or acute, silver- or gray-tomentose. 

Inflorescence: heads radiate, 3--9 in tight panicle-like cluster; peduncle +- yellow, glabrous except just below heads; involucre 4--10 mm; phyllaries lanceolate. 

Ray Flower: 11--21; ray 8--12 mm. 

Disk Flower: corolla 5--6 mm, yellow or brown-purple. 

Fruit: 3--6 mm; pappus 0. 

Ecology: Coastal scrub, stony desert hillsides; 

Elevation: < 1500 m. 

Bioregional Distribution: e SCo, adjacent PR, D; 

Distribution Outside California: to southwestern Utah, northwestern Mexico. 

Flowering Time: Jan--Jun, Aug--Sep 

Note: Widely planted, especially along highways; may persist or escape outside native range. Dried resin used as incense. 

Synonyms: Encelia farinosa var. phenicodonta (S.F. Blake) I.M. Johnst.

eFlora Treatment Author: David J. Keil & Curtis Clark

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